In 2016-2017, although Latinos make up more than 44 percent of the overall enrollment at San Diego Unified, they made up only 33 percent of the GATE program. For black students, the disproportionality is even worse, with an 8 percent overall enrollment rate, but only a 3 percent enrollment in the GATE program.

San Diego Unified has said the high number of teacher retirements could mean schools in wealthier neighborhoods may be impacted by the turnover just as much as low-income schools. But even once layoff notices are rescinded, the process has a bigger impact on low-income schools, which tend to have more junior employees.

Many officials have warned that aging schools are more likely to be at risk of lead exposure. But age alone isn’t a solid indicator. We’ve mapped district schools by age, as well as by the condition of campus facilities. Buildings in bad condition are more likely to have plumbing issues.

The Learning Curve is a weekly column that answers questions about schools using plain language. Have a question about how your local schools work? Write me at Mario.Koran@voiceofsandiego.org. ♦♦♦ Earlier this week, we published a list of the 20 schools in San Diego Unified where the most teachers are facing layoffs. And as has happened in […]